| 摘要 |
An automatic back-tightening type probe rod slip stopper for piezocone penetration test, comprising a base (1), a pair of lantern rings (2), a rotating sliding block (3), a one-way overrunning clutch (4), a sliding block clamping groove (5), a supporting frame (6), a fixed pin (7), a shaft stick (8), a compression spring (9), a back-tightening spring (10) and a pedal (11).The stopper can prevent the probe rod from slipping off when drilling. |
